bio.com.tw - robtex.com
bio.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 172.104.125.70🇯🇵 AKAMAI-LINODE-AP172.104.96.0/19 Akamai Technologies | ||||||
| PTR | akane.com.tw | ||||||
| NS | ns1.osdog.com ⭐ | ||||||
| A | 139.162.81.35🇯🇵 AKAMAI-LINODE-AP139.162.64.0/19 Akamai Technologies | ||||||
| PTR | ns1.osdog.com | ||||||
| NS | ns2.osdog.com ⚠️ Not in zone NS records | ||||||
| A | 139.162.3.206🇸🇬 AKAMAI-LINODE-AP139.162.0.0/19 Akamai Technologies | ||||||
| PTR | ns2.osdog.com | ||||||
| SOA | ns1.osdog.comadmin@osdog.com 2026-04-13 #28 | ||||||
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ ⚠️ Not in parent delegation | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | c.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | d.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | e.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | f.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | g.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | h.dns.tw ⚠️ Not in parent delegation | ||||||
| NS | h.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006341508 | ||||||
Previously MX for
bio.com.tw |
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
●NSns1.osdog.com2015-08-07 → 2026-04-12 · 5 obs
○ 2015-09-12 13:36:00
○ 2018-07-27 10:06:06
● 2026-04-06 06:06:38
● 2026-04-12 21:58:06
○NSns1287.websitewelcome.com2015-09-12 → 2018-07-27 · 8 obs
● 2015-09-12 13:36:00
● 2015-11-28 10:57:00
○ 2016-01-10 18:18:34
● 2016-04-10 01:43:04
● 2018-07-27 10:06:06
○ 2026-04-06 06:06:38
○ 2026-04-12 21:58:06
○NSns1288.websitewelcome.com2015-09-12 → 2018-07-27 · 8 obs
● 2015-09-12 13:36:00
● 2015-11-28 10:57:00
○ 2016-01-10 18:18:34
● 2016-04-10 01:43:04
● 2018-07-27 10:06:06
○ 2026-04-06 06:06:38
○ 2026-04-12 21:58:06
●NSns2.osdog.com2015-08-07 → 2026-04-12 · 5 obs
○ 2015-09-12 13:36:00
○ 2018-07-27 10:06:06
● 2026-04-06 06:06:38
● 2026-04-12 21:58:06
○MXbio.com.tw2015-09-12 → 2018-07-27 · 7 obs
● 2015-11-28 10:57:00
○ 2016-01-10 18:18:34
● 2016-04-10 01:43:04
● 2018-07-27 10:06:06
○ 2026-04-06 06:06:38
○ 2026-04-12 21:58:06
○A106.187.41.1302015-08-07 → 2015-08-07 · 3 obs
○ 2015-09-12 13:36:00
○ 2026-04-12 21:58:06
●A172.104.125.702026-04-06 → 2026-04-12 · 3 obs
● 2026-04-06 06:06:38
● 2026-04-12 21:58:06
○A192.185.190.1252015-09-12 → 2018-07-27 · 8 obs
● 2015-09-12 13:36:00
● 2015-11-28 10:57:00
○ 2016-01-10 18:18:34
● 2016-04-10 01:43:04
● 2018-07-27 10:06:06
○ 2026-04-06 06:06:38
○ 2026-04-12 21:58:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | g.dns.tw, h.dns.tw, e.dns.tw, d.dns.tw... | 16 records |
| bio.com.tw | ns2.osdog.com, ns1.osdog.com | - |
✅ Authoritative Response
Server:139.162.81.35
NS records: ns2.osdog.com, ns1.osdog.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bio.com.tw (unsigned zone)
⏱️ Timing
Total: 1502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 172.104.125.70 |
| NS | 1 | ns1.osdog.com |
| SOA | 1 | ns1.osdog.com admin.osdog.com |
📌 Glue Records Collected
Total: 16
In-bailiwick: 14 (h.dns.tw, g.dns.tw, f.dns.tw...)
Out-of-bailiwick: 2 (anytld.apnic.net, anytld.apnic.net)
Analysis
IP Addresses
bio.com.tw resolves to one IP number: 172.104.125.70.
Other host names such as akane.com.tw and 123.com.tw share IP numbers with bio.com.tw.
Name Servers
bio.com.tw is delegated to two name servers ns1.osdog.com and ns2.osdog.com.
bio.com.tw shares the same name server setup as other domains, for instance xn--v2qy08cl8j.tw, ssd.tw, fund.com.tw, agent.tw and video.tw.
bio.com.tw at least partially shares name servers with other domains, for instance xn--u9j710pbcw.jp, xn--u9jw47it6s.jp, xn--u9ja3d.jp and xn--u9j2g0gjb.jp.
these name servers are commonly used alongside ns3.osdog.com.
Host names with one IP number:
ns1.osdog.com points to 139.162.81.35
ns2.osdog.com points to 139.162.3.206